Home / 40,330.78-55,658.44-22,425.39

Finding the Fourth Proportional to 40,330.78, 55,658.44 and 22,425.39

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Solution

The fourth proportional to 40,330.78, 55,658.44 and 22,425.39 is: 30,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.78 : 55,658.44 = 22,425.39 : x
  2. Step 2: Convert to fraction form
    40,330.78/55,658.44 = 22,425.39/x
  3. Step 3: Cross multiply
    40,330.78x = 55,658.44 × 22,425.39
  4. Step 4: Simplify right side
    40,330.78x = 1,248,162,251.82
  5. Step 5: Solve for x
    x = 1,248,162,251.82/40,330.78
  6. Step 6: Final answer
    x = 30,948.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.